[Bug fortran/105691] Incorrect calculation of INDEX(str1,str2) at compile time

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105691

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |anlauf at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |anlauf at gcc dot gnu.org

--- Comment #4 from anlauf at gcc dot gnu.org ---
(In reply to kargl from comment #3)
> There is no need to special case the substring length of 1 case with my
> suggested patch.  Here's an update to eliminate the special case.

Frankly speaking, gfc_simplify_index is a mess.  The library code is a relief.
I'd take that as reference.

Thus taking.